Alexander Lee, M.D.
NPI 1811351042 · Gastroenterology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Lee, M.D. is a Gastroenterology Physician provider in Madison, WI (NPI 1811351042).
Provider details
- NPI number
- 1811351042
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 68559 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
686 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 160 | $229 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 153 | $5 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 68 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 48 | $73 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 44 | $121 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 218 | 215 |
| Omeprazole | 90 | 38 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 39 | 39 |
| Pantoprazole Sodium | 22 | 12 |
| Ondansetronbrand: Ondansetron Odt | 14 | — |
| Sucralfate | 13 | — |
| Mesalamine | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-13
- Last updated
- 2022-09-12
- Certified
- 2022-09-12
Frequently asked questions
- What is Alexander Lee's NPI number?
- Alexander Lee's National Provider Identifier (NPI) is 1811351042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Lee's specialty?
- Alexander Lee is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Lee located?
- Alexander Lee's practice location on file with NPPES is 700 S Park St Ste a, Madison, WI 53715-1830.
- What is Alexander Lee's phone number?
- The practice phone number listed in the NPPES registry for Alexander Lee is (608) 260-2900.
- Does Alexander Lee accept Medicare?
- Alexander Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Lee's NPI active?
- Yes — Alexander Lee's NPI (1811351042) is active in the NPPES registry as of the last update on 2022-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.